Selected Publications

Articles In Academic Journals

Year Title
2013 Non-equilibrium pressure control of the height of a large-scale, ground-coupled, rotating fluid column.  Physics of Fluids. 20.
2011 The influence of pressure relaxation on the structure of an axial vortex.  Physics of Fluids. 12 pages.
2009 Volume viscosity in fluids with multiple dissipative processess.  Physics of Fluids.
2006 Response to ‘Comment by Markus Scholle on the article: ‘Variational approach to the volume viscosity of fluids.  Physics of Fluids. 3.
2006 Variational approach to the volume viscosity of fluids.  Physics of Fluids. 10.
2004 Predicted Flight Performance of the Wright ‘Flyer’Based on Full-Scale Tunnel Data.  AIAA Paper. 1-10.
2003 An Evaluation of the Wright 1901 Glider using Full-Scale Wind Tunnel Data.  Journal of Aircraft. 417-424.
2002 Propeller Performance Tests of Wright Brothers’ ‘Bent End’ Propellers.  Journal of Aircraft. 234-241.
2002 Wind Tunnel Testing of the Wright Brothers’ Model B Airfoil.  Journal of Aircraft. 30-36.
2001 Only the Wright Stuff!.  AIAA Student Journal. 6-9.
1998 Numerical Simulations of Commercial Aircraft Wakes Subjected to Airport Surface Weather Conditions.  Journal of Aircraft. 18-26.
1996 A Study of Aircraft Wake Vortex Behavior near the Ground.  AIAA Journal. 580-589.
1996 Extraction of Oxygen from CO2 Using Glow Discharge and Permeation Techniques.  Journal fo Vacuum Science and Technology A. 408-414.
1994 A Study of Glow Discharge and Permeation Techniques for Extraterrestrial Oxygen Beneficiation.  Advances in Space Research. 234-263.
1993 A Methodology for Selective Removal of Orbital Debris.  43rd World Space Congress, Washington, D.C., COSPAR Paper, Advances in Space Research. 243-247.
1993 Glow Discharge Enhanced Permeation of Oxygen through Silver.  Journal of Applied Physics. 4990-4994.
1992 Helical Perturbation Device for Cylinder Wing Vortex Generators.  AIAA Journal. 988-992.
1991 Compressible Equilibrium Turbulent Boundary Layers at Nonadiabatic Wall Conditions.  AIAA Journal. 1573-1580.
1990 The Structure and Dynamics of Bubble type Vortex Breakdown.  Proceedings of the Royal Society of London, Series A. 613-637.
1989 Application of Spectral Collocation Techniques to the Stability of Swirling Flows.  Journal of Computational Physics. 206-229.
1989 Recent Concepts in Missions to Mars: Extraterrestrial Processes.  Journal of Propulsion and Power. 181-187.
1987 Influence of Ventilated Shrouds on the Convection Heat Transfer to a Circular Cylinder.  International Journal of Heat and Mass Transfer. 1685-1692.
1987 Novel Extraterrestrial Processing for Space Propulsion.  Acta Astronautica. 259-273.
1987 Some Aspects of Space Propulsion with Extraterrestrial Resources.  Journal of Spacecraft and Rockets. 236-244.
1986 Wall Temperature Control of Low Speed Body Drag.  Journal of Aircraft. 93-94.
1985 Response Time Correlations for Platinum Resistance Thermometers.  ISA Transactions. 587-597.
1984 Development of a Uniaxial Ice Tensile Specimen for Low Temperature Testing.  Cold Regions Science and Technology. 47-52.
1981 Outer Planet Satellite Return Missions Using In Situ Propellant Production.  XXXI Congress, International Astronautical Federation, IAF Paper No. 80—G 296. Acta Astronautic. 511-526.
1980 An Apparatus for Measuring the Thermal Conductivity of Cast Insulation Materials.  Review of scientific instruments. 998-1000.
1977 Effect of Compliant Wall Motion on Turbulent Boundary Layers.  presented at the I.U.T.A.M. Symposium on Structure of Turbulence and Drag Reduction, Physics of Fluids. S31-S58.
1976 Effective Thermal Property Improves Phase Change Paint Data.  AIAA Journal. 1476-1478.
1975 Experimental Verification of Turbulent Skin Friction Reduction with Compliant Walls.  AIAA Journal. 956-958.
1974 Feasibility of Rocket Propellant Production on Mars.  Acta Astronautica. 705-724.
1971 Influence of Temperature Dependent Properties on a Step Heated Semi Infinite Solid.  Trans. ASME, Series C, Journal of Heat Transfer. 250-253.
1970 Note on Heat Transfer in Laminar, Fully Developed Pipe Flow with Axial Conduction.  Zeitschrift fur Angewandt Mathematik und Physik. 266-269.
1970 Sources of Error in Vacuum Calibration of Heat Flux Sensors.  Review of scientific instruments. 1112-1114.
1969 An Analysis of the Response Characteristics of Thin Foil Heat Flux Sensors.  AIAA Journal. 2332-2335.

Conference Papers

Year Title
2011 A de-orbit system design for CubeSat payloads
2011 Indigenous carbon dioxide as a propellant for Mars surface probes
2008 Phoenix Lander implications on in situ resource utilization for robotic exploration of Mars
2007 Wireless sensor payload design for sounding rocket
1994 A Study of the Influence of Cross Flow on the Behavior of Aircraft Wake Vortices near the Ground.  1649-1659.
1993 Prediction of Turbulent Wake Vortex Motion Near the Ground.  195-207.
1992 A Study of Glow Discharge and Permeation Techniques to Separate Oxygen from Martian Atmosphere.  COSPAR Paper No. E.4-5.4.05X.
1992 Viscous Effects on a Vortex Wake in Ground Effect.  31 1-31 30.
1990 An Experimental Study of an Axisymmetric Turbulent Boundary Layer Perturbed by a Periodic Free Stream.  53-56.
1990 Analysis of the Thermal Environment and Thermal Response Associated with Thermal Acoustic Testing.  824-830.
1990 Influence of Free Stream Turbulence on a Trailing Line Vortex.  345-358.
1989 Design of a Mars Oxygen Processor.  479-487.
1988 An Expert Systems Approach to Automated Maintenance for a Mars Oxygen Production System
1988 The Influence of Slotted Shrouds on Convective Heat Transfer to an Inner Circular Cylinder.  147-152.
1987 Radiator Design Considerations for Martian Surface Applications.  85-94.
1986 Elements of Oxygen Production Systems Using Martian Atmosphere
1985 Chemical Production Using In Situ Propellant Production Technology.  377-385.
1984 Hybrid Suction Surface for Turbulent Boundary Layer Flow.  233-248.
1984 The Development of a Microcomputer Controlled, Linearly Actuated Valve Assembly.  1-4.
1980 In Situ Propellant Production for Improved Sample Return Mission Performance.  909-921.
1977 Influence of Transverse Surface Waves on a Turbulent Boundary Layer.  144-153.
1975 Compliant Wall Surface Motion and Its Effect on the Structure of a Turbulent Boundary Layer.  220-243.
1972 Catalytic Considerations in Temperature Measurement.  1663-1670.
1972 Theory and Performance of Plated Thermocouples.  2009-2015.

Research Overview

  • Vortical flows, non-equilibrium phenomena, space systems, Mars resources

    • Grants

  • Mars Sample Return Earth Entry Vehicle Design  awarded by National Institute of Aerospace Associates 2016 - 2018
  • Virginia Cubesat Constellation  awarded by NASA 2016 - 2018
  • Project AIM –Increasing STEM Major Persistence and Enhancing Student Learning  awarded by Howard Hughes Medical Institute - 2013
  • Low-cost Wireless Spacecraft Bus  awarded by MIST 2006 - 2007
  • Flight Experiment Payload Development for Suborbital Launch Vehicle  awarded by Innovative Business Solutions, Clearwater, Florida 2006
  • Undergraduate Sounding Rocket Project  awarded by Innovative Business Solutions, Inc. 2004 - 2006
  • Flight Experiment Payload Development for Suborbital Launch Vehicle  awarded by Innovative Business Solutions, Clearwater, Florida 2005
  • Maglev Demonstrable Engineering Prototype project  awarded by Federal Railroad Admin. 2003 - 2005
  • Wright Flyer Testing Program  awarded by NASA 2000 - 2002
  • Mars Oxygen Separation  awarded by NASA 1990 - 1996
  • Vortex Wake Modeling  awarded by NASA 1989 - 1996
  • Advanced Space System Design  awarded by USRA 1986 - 1995
  • Supersonic Transition Experiment  awarded by NASA - 1995
  • Transonic Hot Wire Measurements  awarded by NASA 1993 - 1994
  • Mass Flow Meter Research  awarded by Teledyne Corp. - 1994
  • Center for Commercial Space Infrastructure  awarded by Center for Innovative Technology 1992 - 1993
  • Numerical Nozzle Plume Study  awarded by NASA 1989 - 1992
  • Vortex Stability  awarded by NASA 1984 - 1992
  • Smart Pressure Sensors  awarded by NASA 1985 - 1990
  • Mars Oxygen Processor  awarded by Planetary Society 1986 - 1988
  • Temperature Sensor Research  awarded by NASA 1985 - 1988
  • Tethered Satellite Instrumentation  awarded by NASA - 1988
  • Hypersonic Wind Tunnel Heat Exchanger  awarded by NASA 1985 - 1986
  • Vorticular Structure/Drag Reduction  awarded by NASA 1981 - 1985
  • Turbulent Wall Pressure Simulation  awarded by ONR 1981 - 1984
  • In Situ Propellant Production  awarded by JPL 1980 - 1984
  • Pressure-Boundary Layer Interaction  awarded by NASA 1979 - 1980
  • Compliant Wall Drag Reduction  awarded by NASA 1972 - 1977
  • Thermal Radiation Simulation  awarded by NASA 1971 - 1972
  • Thermocouple Research  awarded by NASA 1970 - 1971
  • Catalytic Effects in Thermocouples  awarded by NASA - 1971

    • Expertise Keywords

  • Aerospace Engineering : Space Systems Engineering/ Mars Exploration / Wright Brothers' Flyers / Airplane Wake Hazards / Extraterrestrial Resources/Non-equilibrium and High-speed Flow Phenomena

    • Education And Training

  • Ph.D. in Mechanical and Aerospace Eng., Thermo/Fluids, Tulane University 1968
  • M.S. in Mechanical Engineering, Tulane University 1966
  • B.S. in Mechanical Engineering, Kansas State University 1963

    • Full Name

  • Robert Ash